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-rw-r--r--fs/xfs/libxfs/xfs_alloc.c101
-rw-r--r--fs/xfs/libxfs/xfs_alloc.h9
-rw-r--r--fs/xfs/libxfs/xfs_attr.c58
-rw-r--r--fs/xfs/libxfs/xfs_attr_leaf.h3
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c73
-rw-r--r--fs/xfs/libxfs/xfs_bmap.h18
-rw-r--r--fs/xfs/libxfs/xfs_bmap_btree.c2
-rw-r--r--fs/xfs/libxfs/xfs_btree.c27
-rw-r--r--fs/xfs/libxfs/xfs_btree.h2
-rw-r--r--fs/xfs/libxfs/xfs_da_btree.c59
-rw-r--r--fs/xfs/libxfs/xfs_da_format.c31
-rw-r--r--fs/xfs/libxfs/xfs_da_format.h43
-rw-r--r--fs/xfs/libxfs/xfs_dir2_sf.c47
-rw-r--r--fs/xfs/libxfs/xfs_format.h66
-rw-r--r--fs/xfs/libxfs/xfs_fs.h8
-rw-r--r--fs/xfs/libxfs/xfs_ialloc.c28
-rw-r--r--fs/xfs/libxfs/xfs_inode_fork.c99
-rw-r--r--fs/xfs/libxfs/xfs_inode_fork.h1
-rw-r--r--fs/xfs/libxfs/xfs_log_format.h5
-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.c2
-rw-r--r--fs/xfs/libxfs/xfs_sb.c8
-rw-r--r--fs/xfs/libxfs/xfs_shared.h102
22 files changed, 334 insertions, 458 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index a708e38b494c..88c26b827a2d 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -84,7 +84,7 @@ xfs_alloc_lookup_ge(
* Lookup the first record less than or equal to [bno, len]
* in the btree given by cur.
*/
-int /* error */
+static int /* error */
xfs_alloc_lookup_le(
struct xfs_btree_cur *cur, /* btree cursor */
xfs_agblock_t bno, /* starting block of extent */
@@ -1839,19 +1839,8 @@ void
xfs_alloc_compute_maxlevels(
xfs_mount_t *mp) /* file system mount structure */
{
- int level;
- uint maxblocks;
- uint maxleafents;
- int minleafrecs;
- int minnoderecs;
-
- maxleafents = (mp->m_sb.sb_agblocks + 1) / 2;
- minleafrecs = mp->m_alloc_mnr[0];
- minnoderecs = mp->m_alloc_mnr[1];
- maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs;
- for (level = 1; maxblocks > 1; level++)
- maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs;
- mp->m_ag_maxlevels = level;
+ mp->m_ag_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_alloc_mnr,
+ (mp->m_sb.sb_agblocks + 1) / 2);
}
/*
@@ -2658,55 +2647,79 @@ error0:
return error;
}
-/*
- * Free an extent.
- * Just break up the extent address and hand off to xfs_free_ag_extent
- * after fixing up the freelist.
- */
-int /* error */
-xfs_free_extent(
- xfs_trans_t *tp, /* transaction pointer */
- xfs_fsblock_t bno, /* starting block number of extent */
- xfs_extlen_t len) /* length of extent */
+/* Ensure that the freelist is at full capacity. */
+int
+xfs_free_extent_fix_freelist(
+ struct xfs_trans *tp,
+ xfs_agnumber_t agno,
+ struct xfs_buf **agbp)
{
- xfs_alloc_arg_t args;
- int error;
+ struct xfs_alloc_arg args;
+ int error;
- ASSERT(len != 0);
- memset(&args, 0, sizeof(xfs_alloc_arg_t));
+ memset(&args, 0, sizeof(struct xfs_alloc_arg));
args.tp = tp;
args.mp = tp->t_mountp;
+ args.agno = agno;
/*
* validate that the block number is legal - the enables us to detect
* and handle a silent filesystem corruption rather than crashing.
*/
- args.agno = XFS_FSB_TO_AGNO(args.mp, bno);
if (args.agno >= args.mp->m_sb.sb_agcount)
return -EFSCORRUPTED;
- args.agbno = XFS_FSB_TO_AGBNO(args.mp, bno);
- if (args.agbno >= args.mp->m_sb.sb_agblocks)
- return -EFSCORRUPTED;
-
args.pag = xfs_perag_get(args.mp, args.agno);
ASSERT(args.pag);
error = xfs_alloc_fix_freelist(&args, XFS_ALLOC_FLAG_FREEING);
if (error)
- goto error0;
+ goto out;
+
+ *agbp = args.agbp;
+out:
+ xfs_perag_put(args.pag);
+ return error;
+}
+
+/*
+ * Free an extent.
+ * Just break up the extent address and hand off to xfs_free_ag_extent
+ * after fixing up the freelist.
+ */
+int /* error */
+xfs_free_extent(
+ struct xfs_trans *tp, /* transaction pointer */
+ xfs_fsblock_t bno, /* starting block number of extent */
+ xfs_extlen_t len) /* length of extent */
+{
+ struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_buf *agbp;
+ xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, bno);
+ xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp, bno);
+ int error;
+
+ ASSERT(len != 0);
+
+ error = xfs_free_extent_fix_freelist(tp, agno, &agbp);
+ if (error)
+ return error;
+
+ XFS_WANT_CORRUPTED_GOTO(mp, agbno < mp->m_sb.sb_agblocks, err);
/* validate the extent size is legal now we have the agf locked */
- if (args.agbno + len >
- be32_to_cpu(XFS_BUF_TO_AGF(args.agbp)->agf_length)) {
- error = -EFSCORRUPTED;
- goto error0;
- }
+ XFS_WANT_CORRUPTED_GOTO(mp,
+ agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length),
+ err);
- error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno, len, 0);
- if (!error)
- xfs_extent_busy_insert(tp, args.agno, args.agbno, len, 0);
-error0:
- xfs_perag_put(args.pag);
+ error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, 0);
+ if (error)
+ goto err;
+
+ xfs_extent_busy_insert(tp, agno, agbno, len, 0);
+ return 0;
+
+err:
+ xfs_trans_brelse(tp, agbp);
return error;
}
diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h
index 135eb3d24db7..cf268b2d0b6c 100644
--- a/fs/xfs/libxfs/xfs_alloc.h
+++ b/fs/xfs/libxfs/xfs_alloc.h
@@ -212,13 +212,6 @@ xfs_free_extent(
xfs_fsblock_t bno, /* starting block number of extent */
xfs_extlen_t len); /* length of extent */
-int /* error */
-xfs_alloc_lookup_le(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agblock_t bno, /* starting block of extent */
- xfs_extlen_t len, /* length of extent */
- int *stat); /* success/failure */
-
int /* error */
xfs_alloc_lookup_ge(
struct xfs_btree_cur *cur, /* btree cursor */
@@ -236,5 +229,7 @@ xfs_alloc_get_rec(
int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
int xfs_alloc_fix_freelist(struct xfs_alloc_arg *args, int flags);
+int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno,
+ struct xfs_buf **agbp);
#endif /* __XFS_ALLOC_H__ */
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index fa3b948ef9c2..4e126f41a0aa 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -242,37 +242,21 @@ xfs_attr_set(
return error;
}
- /*
- * Start our first transaction of the day.
- *
- * All future transactions during this code must be "chained" off
- * this one via the trans_dup() call. All transactions will contain
- * the inode, and the inode will always be marked with trans_ihold().
- * Since the inode will be locked in all transactions, we must log
- * the inode in every transaction to let it float upward through
- * the log.
- */
- args.trans = xfs_trans_alloc(mp, XFS_TRANS_ATTR_SET);
+ tres.tr_logres = M_RES(mp)->tr_attrsetm.tr_logres +
+ M_RES(mp)->tr_attrsetrt.tr_logres * args.total;
+ tres.tr_logcount = XFS_ATTRSET_LOG_COUNT;
+ tres.tr_logflags = XFS_TRANS_PERM_LOG_RES;
/*
* Root fork attributes can use reserved data blocks for this
* operation if necessary
*/
-
- if (rsvd)
- args.trans->t_flags |= XFS_TRANS_RESERVE;
-
- tres.tr_logres = M_RES(mp)->tr_attrsetm.tr_logres +
- M_RES(mp)->tr_attrsetrt.tr_logres * args.total;
- tres.tr_logcount = XFS_ATTRSET_LOG_COUNT;
- tres.tr_logflags = XFS_TRANS_PERM_LOG_RES;
- error = xfs_trans_reserve(args.trans, &tres, args.total, 0);
- if (error) {
- xfs_trans_cancel(args.trans);
+ error = xfs_trans_alloc(mp, &tres, args.total, 0,
+ rsvd ? XFS_TRANS_RESERVE : 0, &args.trans);
+ if (error)
return error;
- }
- xfs_ilock(dp, XFS_ILOCK_EXCL);
+ xfs_ilock(dp, XFS_ILOCK_EXCL);
error = xfs_trans_reserve_quota_nblks(args.trans, dp, args.total, 0,
rsvd ? XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES :
XFS_QMOPT_RES_REGBLKS);
@@ -429,31 +413,15 @@ xfs_attr_remove(
return error;
/*
- * Start our first transaction of the day.
- *
- * All future transactions during this code must be "chained" off
- * this one via the trans_dup() call. All transactions will contain
- * the inode, and the inode will always be marked with trans_ihold().
- * Since the inode will be locked in all transactions, we must log
- * the inode in every transaction to let it float upward through
- * the log.
- */
- args.trans = xfs_trans_alloc(mp, XFS_TRANS_ATTR_RM);
-
- /*
* Root fork attributes can use reserved data blocks for this
* operation if necessary
*/
-
- if (flags & ATTR_ROOT)
- args.trans->t_flags |= XFS_TRANS_RESERVE;
-
- error = xfs_trans_reserve(args.trans, &M_RES(mp)->tr_attrrm,
- XFS_ATTRRM_SPACE_RES(mp), 0);
- if (error) {
- xfs_trans_cancel(args.trans);
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_attrrm,
+ XFS_ATTRRM_SPACE_RES(mp), 0,
+ (flags & ATTR_ROOT) ? XFS_TRANS_RESERVE : 0,
+ &args.trans);
+ if (error)
return error;
- }
xfs_ilock(dp, XFS_ILOCK_EXCL);
/*
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h
index 882c8d338891..4f2aed04f827 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.h
+++ b/fs/xfs/libxfs/xfs_attr_leaf.h
@@ -50,7 +50,6 @@ int xfs_attr_shortform_lookup(struct xfs_da_args *args);
int xfs_attr_shortform_getvalue(struct xfs_da_args *args);
int xfs_attr_shortform_to_leaf(struct xfs_da_args *args);
int xfs_attr_shortform_remove(struct xfs_da_args *args);
-int xfs_attr_shortform_list(struct xfs_attr_list_context *context);
int xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp);
int xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes);
void xfs_attr_fork_remove(struct xfs_inode *ip, struct xfs_trans *tp);
@@ -88,8 +87,6 @@ int xfs_attr3_leaf_toosmall(struct xfs_da_state *state, int *retval);
void xfs_attr3_leaf_unbalance(struct xfs_da_state *state,
struct xfs_da_state_blk *drop_blk,
struct xfs_da_state_blk *save_blk);
-int xfs_attr3_root_inactive(struct xfs_trans **trans, struct xfs_inode *dp);
-
/*
* Utility routines.
*/
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index ce41d7fe753c..2f2c85cc8117 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -570,14 +570,12 @@ xfs_bmap_validate_ret(
*/
void
xfs_bmap_add_free(
+ struct xfs_mount *mp, /* mount point structure */
+ struct xfs_bmap_free *flist, /* list of extents */
xfs_fsblock_t bno, /* fs block number of extent */
- xfs_filblks_t len, /* length of extent */
- xfs_bmap_free_t *flist, /* list of extents */
- xfs_mount_t *mp) /* mount point structure */
+ xfs_filblks_t len) /* length of extent */
{
- xfs_bmap_free_item_t *cur; /* current (next) element */
- xfs_bmap_free_item_t *new; /* new element */
- xfs_bmap_free_item_t *prev; /* previous element */
+ struct xfs_bmap_free_item *new; /* new element */
#ifdef DEBUG
xfs_agnumber_t agno;
xfs_agblock_t agbno;
@@ -597,17 +595,7 @@ xfs_bmap_add_free(
new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP);
new->xbfi_startblock = bno;
new->xbfi_blockcount = (xfs_extlen_t)len;
- for (prev = NULL, cur = flist->xbf_first;
- cur != NULL;
- prev = cur, cur = cur->xbfi_next) {
- if (cur->xbfi_startblock >= bno)
- break;
- }
- if (prev)
- prev->xbfi_next = new;
- else
- flist->xbf_first = new;
- new->xbfi_next = cur;
+ list_add(&new->xbfi_list, &flist->xbf_flist);
flist->xbf_count++;
}
@@ -617,14 +605,10 @@ xfs_bmap_add_free(
*/
void
xfs_bmap_del_free(
- xfs_bmap_free_t *flist, /* free item list header */
- xfs_bmap_free_item_t *prev, /* previous item on list, if any */
- xfs_bmap_free_item_t *free) /* list item to be freed */
+ struct xfs_bmap_free *flist, /* free item list header */
+ struct xfs_bmap_free_item *free) /* list item to be freed */
{
- if (prev)
- prev->xbfi_next = free->xbfi_next;
- else
- flist->xbf_first = free->xbfi_next;
+ list_del(&free->xbfi_list);
flist->xbf_count--;
kmem_zone_free(xfs_bmap_free_item_zone, free);
}
@@ -634,17 +618,16 @@ xfs_bmap_del_free(
*/
void
xfs_bmap_cancel(
- xfs_bmap_free_t *flist) /* list of bmap_free_items */
+ struct xfs_bmap_free *flist) /* list of bmap_free_items */
{
- xfs_bmap_free_item_t *free; /* free list item */
- xfs_bmap_free_item_t *next;
+ struct xfs_bmap_free_item *free; /* free list item */
if (flist->xbf_count == 0)
return;
- ASSERT(flist->xbf_first != NULL);
- for (free = flist->xbf_first; free; free = next) {
- next = free->xbfi_next;
- xfs_bmap_del_free(flist, NULL, free);
+ while (!list_empty(&flist->xbf_flist)) {
+ free = list_first_entry(&flist->xbf_flist,
+ struct xfs_bmap_free_item, xbfi_list);
+ xfs_bmap_del_free(flist, free);
}
ASSERT(flist->xbf_count == 0);
}
@@ -699,7 +682,7 @@ xfs_bmap_btree_to_extents(
cblock = XFS_BUF_TO_BLOCK(cbp);
if ((error = xfs_btree_check_block(cur, cblock, 0, cbp)))
return error;
- xfs_bmap_add_free(cbno, 1, cur->bc_private.b.flist, mp);
+ xfs_bmap_add_free(mp, cur->bc_private.b.flist, cbno, 1);
ip->i_d.di_nblocks--;
xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);
xfs_trans_binval(tp, cbp);
@@ -1121,15 +1104,14 @@ xfs_bmap_add_attrfork(
mp = ip->i_mount;
ASSERT(!XFS_NOT_DQATTACHED(mp, ip));
- tp = xfs_trans_alloc(mp, XFS_TRANS_ADDAFORK);
+
blks = XFS_ADDAFORK_SPACE_RES(mp);
- if (rsvd)
- tp->t_flags |= XFS_TRANS_RESERVE;
- error = xfs_trans_reserve(tp, &M_RES(mp)->tr_addafork, blks, 0);
- if (error) {
- xfs_trans_cancel(tp);
+
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_addafork, blks, 0,
+ rsvd ? XFS_TRANS_RESERVE : 0, &tp);
+ if (error)
return error;
- }
+
xfs_ilock(ip, XFS_ILOCK_EXCL);
error = xfs_trans_reserve_quota_nblks(tp, ip, blks, 0, rsvd ?
XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES :
@@ -5074,8 +5056,8 @@ xfs_bmap_del_extent(
* If we need to, add to list of extents to delete.
*/
if (do_fx)
- xfs_bmap_add_free(del->br_startblock, del->br_blockcount, flist,
- mp);
+ xfs_bmap_add_free(mp, flist, del->br_startblock,
+ del->br_blockcount);
/*
* Adjust inode # blocks in the file.
*/
@@ -6026,13 +6008,10 @@ xfs_bmap_split_extent(
xfs_fsblock_t firstfsb;
int error;
- tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT);
- error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write,
- XFS_DIOSTRAT_SPACE_RES(mp, 0), 0);
- if (error) {
- xfs_trans_cancel(tp);
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write,
+ XFS_DIOSTRAT_SPACE_RES(mp, 0), 0, 0, &tp);
+ if (error)
return error;
- }
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 423a34e832bd..f1f3ae6c0a3f 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -62,12 +62,12 @@ struct xfs_bmalloca {
* List of extents to be free "later".
* The list is kept sorted on xbf_startblock.
*/
-typedef struct xfs_bmap_free_item
+struct xfs_bmap_free_item
{
xfs_fsblock_t xbfi_startblock;/* starting fs block number */
xfs_extlen_t xbfi_blockcount;/* number of blocks in extent */
- struct xfs_bmap_free_item *xbfi_next; /* link to next entry */
-} xfs_bmap_free_item_t;
+ struct list_head xbfi_list;
+};
/*
* Header for free extent list.
@@ -85,7 +85,7 @@ typedef struct xfs_bmap_free_item
*/
typedef struct xfs_bmap_free
{
- xfs_bmap_free_item_t *xbf_first; /* list of to-be-free extents */
+ struct list_head xbf_flist; /* list of to-be-free extents */
int xbf_count; /* count of items on list */
int xbf_low; /* alloc in low mode */
} xfs_bmap_free_t;
@@ -141,8 +141,10 @@ static inline int xfs_bmapi_aflag(int w)
static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp)
{
- ((flp)->xbf_first = NULL, (flp)->xbf_count = 0, \
- (flp)->xbf_low = 0, *(fbp) = NULLFSBLOCK);
+ INIT_LIST_HEAD(&flp->xbf_flist);
+ flp->xbf_count = 0;
+ flp->xbf_low = 0;
+ *fbp = NULLFSBLOCK;
}
/*
@@ -191,8 +193,8 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt,
int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd);
void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
-void xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len,
- struct xfs_bmap_free *flist, struct xfs_mount *mp);
+void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist,
+ xfs_fsblock_t bno, xfs_filblks_t len);
void xfs_bmap_cancel(struct xfs_bmap_free *flist);
int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
struct xfs_inode *ip);
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 6282f6e708af..db0c71e470c9 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -526,7 +526,7 @@ xfs_bmbt_free_block(
struct xfs_trans *tp = cur->bc_tp;
xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp));
- xfs_bmap_add_free(fsbno, 1, cur->bc_private.b.flist, mp);
+ xfs_bmap_add_free(mp, cur->bc_private.b.flist, fsbno, 1);
ip->i_d.di_nblocks--;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 1f88e1ce770f..07eeb0b4ca74 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -543,12 +543,12 @@ xfs_btree_ptr_addr(
*/
STATIC struct xfs_btree_block *
xfs_btree_get_iroot(
- struct xfs_btree_cur *cur)
+ struct xfs_btree_cur *cur)
{
- struct xfs_ifork *ifp;
+ struct xfs_ifork *ifp;
- ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork);
- return (struct xfs_btree_block *)ifp->if_broot;
+ ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork);
+ return (struct xfs_btree_block *)ifp->if_broot;
}
/*
@@ -4152,3 +4152,22 @@ xfs_btree_sblock_verify(
return true;
}
+
+/*
+ * Calculate the number of btree levels needed to store a given number of
+ * records in a short-format btree.
+ */
+uint
+xfs_btree_compute_maxlevels(
+ struct xfs_mount *mp,
+ uint *limits,
+ unsigned long len)
+{
+ uint level;
+ unsigned long maxblocks;
+
+ maxblocks = (len + limits[0] - 1) / limits[0];
+ for (level = 1; maxblocks > 1; level++)
+ maxblocks = (maxblocks + limits[1] - 1) / limits[1];
+ return level;
+}
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 2e874be70209..785a99682159 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -474,5 +474,7 @@ static inline int xfs_btree_get_level(struct xfs_btree_block *block)
bool xfs_btree_sblock_v5hdr_verify(struct xfs_buf *bp);
bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs);
+uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits,
+ unsigned long len);
#endif /* __XFS_BTREE_H__ */
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index 097bf7717d80..0f1f165f4048 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -356,7 +356,6 @@ xfs_da3_split(
struct xfs_da_state_blk *newblk;
struct xfs_da_state_blk *addblk;
struct xfs_da_intnode *node;
- struct xfs_buf *bp;
int max;
int action = 0;
int error;
@@ -397,7 +396,9 @@ xfs_da3_split(
break;
}
/*
- * Entry wouldn't fit, split the leaf again.
+ * Entry wouldn't fit, split the leaf again. The new
+ * extrablk will be consumed by xfs_da3_node_split if
+ * the node is split.
*/
state->extravalid = 1;
if (state->inleaf) {
@@ -446,6 +447,14 @@ xfs_da3_split(
return 0;
/*
+ * xfs_da3_node_split() should have consumed any extra blocks we added
+ * during a double leaf split in the attr fork. This is guaranteed as
+ * we can't be here if the attr fork only has a single leaf block.
+ */
+ ASSERT(state->extravalid == 0 ||
+ state->path.blk[max].magic == XFS_DIR2_LEAFN_MAGIC);
+
+ /*
* Split the root node.
*/
ASSERT(state->path.active == 0);
@@ -457,43 +466,33 @@ xfs_da3_split(
}
/*
- * Update pointers to the node which used to be block 0 and
- * just got bumped because of the addition of a new root node.
- * There might be three blocks involved if a double split occurred,
- * and the original block 0 could be at any position in the list.
+ * Update pointers to the node which used to be block 0 and just got
+ * bumped because of the addition of a new root node. Note that the
+ * original block 0 could be at any position in the list of blocks in
+ * the tree.
*
- * Note: the magic numbers and sibling pointers are in the same
- * physical place for both v2 and v3 headers (by design). Hence it
- * doesn't matter which version of the xfs_da_intnode structure we use
- * here as the result will be the same using either structure.
+ * Note: the magic numbers and sibling pointers are in the same physical
+ * place for both v2 and v3 headers (by design). Hence it doesn't matter
+ * which version of the xfs_da_intnode structure we use here as the
+ * result will be the same using either structure.
*/
node = oldblk->bp->b_addr;
if (node->hdr.info.forw) {
- if (be32_to_cpu(node->hdr.info.forw) == addblk->blkno) {
- bp = addblk->bp;
- } else {
- ASSERT(state->extravalid);
- bp = state->extrablk.bp;
- }
- node = bp->b_addr;
+ ASSERT(be32_to_cpu(node->hdr.info.forw) == addblk->blkno);
+ node = addblk->bp->b_addr;
node->hdr.info.back = cpu_to_be32(oldblk->blkno);
- xfs_trans_log_buf(state->args->trans, bp,
- XFS_DA_LOGRANGE(node, &node->hdr.info,
- sizeof(node->hdr.info)));
+ xfs_trans_log_buf(state->args->trans, addblk->bp,
+ XFS_DA_LOGRANGE(node, &node->hdr.info,
+ sizeof(node->hdr.info)));
}
node = oldblk->bp->b_addr;
if (node->hdr.info.back) {
- if (be32_to_cpu(node->hdr.info.back) == addblk->blkno) {
- bp = addblk->bp;
- } else {
- ASSERT(state->extravalid);
- bp = state->extrablk.bp;
- }
- node = bp->b_addr;
+ ASSERT(be32_to_cpu(node->hdr.info.back) == addblk->blkno);
+ node = addblk->bp->b_addr;
node->hdr.info.forw = cpu_to_be32(oldblk->blkno);
- xfs_trans_log_buf(state->args->trans, bp,
- XFS_DA_LOGRANGE(node, &node->hdr.info,
- sizeof(node->hdr.info)));
+ xfs_trans_log_buf(state->args->trans, addblk->bp,
+ XFS_DA_LOGRANGE(node, &node->hdr.info,
+ sizeof(node->hdr.info)));
}
addblk->bp = NULL;
return 0;
diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c
index 9d624a622946..f1e8d4dbb600 100644
--- a/fs/xfs/libxfs/xfs_da_format.c
+++ b/fs/xfs/libxfs/xfs_da_format.c
@@ -40,8 +40,7 @@ xfs_dir2_sf_entsize(
int count = sizeof(struct xfs_dir2_sf_entry); /* namelen + offset */
count += len; /* name */
- count += hdr->i8count ? sizeof(xfs_dir2_ino8_t) :
- sizeof(xfs_dir2_ino4_t); /* ino # */
+ count += hdr->i8count ? XFS_INO64_SIZE : XFS_INO32_SIZE; /* ino # */
return count;
}
@@ -125,33 +124,33 @@ xfs_dir3_sfe_put_ftype(
static xfs_ino_t
xfs_dir2_sf_get_ino(
struct xfs_dir2_sf_hdr *hdr,
- xfs_dir2_inou_t *from)
+ __uint8_t *from)
{
if (hdr->i8count)
- return get_unaligned_be64(&from->i8.i) & 0x00ffffffffffffffULL;
+ return get_unaligned_be64(from) & 0x00ffffffffffffffULL;
else
- return get_unaligned_be32(&from->i4.i);
+ return get_unaligned_be32(from);
}
static void
xfs_dir2_sf_put_ino(
struct xfs_dir2_sf_hdr *hdr,
- xfs_dir2_inou_t *to,
+ __uint8_t *to,
xfs_ino_t ino)
{
ASSERT((ino & 0xff00000000000000ULL) == 0);
if (hdr->i8count)
- put_unaligned_be64(ino, &to->i8.i);
+ put_unaligned_be64(ino, to);
else
- put_unaligned_be32(ino, &to->i4.i);
+ put_unaligned_be32(ino, to);
}
static xfs_ino_t
xfs_dir2_sf_get_parent_ino(
struct xfs_dir2_sf_hdr *hdr)
{
- return xfs_dir2_sf_get_ino(hdr, &hdr->parent);
+ return xfs_dir2_sf_get_ino(hdr, hdr->parent);
}
static void
@@ -159,7 +158,7 @@ xfs_dir2_sf_put_parent_ino(
struct xfs_dir2_sf_hdr *hdr,
xfs_ino_t ino)
{
- xfs_dir2_sf_put_ino(hdr, &hdr->parent, ino);
+ xfs_dir2_sf_put_ino(hdr, hdr->parent, ino);
}
/*
@@ -173,8 +172,7 @@ xfs_dir2_sfe_get_ino(
struct xfs_dir2_sf_hdr *hdr,
struct xfs_dir2_sf_entry *sfep)
{
- return xfs_dir2_sf_get_ino(hdr,
- (xfs_dir2_inou_t *)&sfep->name[sfep->namelen]);
+ return xfs_dir2_sf_get_ino(hdr, &sfep->name[sfep->namelen]);
}
static void
@@ -183,8 +181,7 @@ xfs_dir2_sfe_put_ino(
struct xfs_dir2_sf_entry *sfep,
xfs_ino_t ino)
{
- xfs_dir2_sf_put_ino(hdr,
- (xfs_dir2_inou_t *)&sfep->name[sfep->namelen], ino);
+ xfs_dir2_sf_put_ino(hdr, &sfep->name[sfep->namelen], ino);
}
static xfs_ino_t
@@ -192,8 +189,7 @@ xfs_dir3_sfe_get_ino(
struct xfs_dir2_sf_hdr *hdr,
struct xfs_dir2_sf_entry *sfep)
{
- return xfs_dir2_sf_get_ino(hdr,
- (xfs_dir2_inou_t *)&sfep->name[sfep->namelen + 1]);
+ return xfs_dir2_sf_get_ino(hdr, &sfep->name[sfep->namelen + 1]);
}
static void
@@ -202,8 +198,7 @@ xfs_dir3_sfe_put_ino(
struct xfs_dir2_sf_entry *sfep,
xfs_ino_t ino)
{
- xfs_dir2_sf_put_ino(hdr,
- (xfs_dir2_inou_t *)&sfep->name[sfep->namelen + 1], ino);
+ xfs_dir2_sf_put_ino(hdr, &sfep->name[sfep->namelen + 1], ino);
}
diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h
index 8d4d8bce41bf..685f23b67056 100644
--- a/fs/xfs/libxfs/xfs_da_format.h
+++ b/fs/xfs/libxfs/xfs_da_format.h
@@ -192,12 +192,6 @@ typedef __uint16_t xfs_dir2_data_off_t;
typedef uint xfs_dir2_data_aoff_t; /* argument form */
/*
- * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t.
- * Only need 16 bits, this is the byte offset into the single block form.
- */
-typedef struct { __uint8_t i[2]; } __arch_pack xfs_dir2_sf_off_t;
-
-/*
* Offset in data space of a data entry.
*/
typedef __uint32_t xfs_dir2_dataptr_t;
@@ -214,22 +208,10 @@ typedef xfs_off_t xfs_dir2_off_t;
*/
typedef __uint32_t xfs_dir2_db_t;
-/*
- * Inode number stored as 8 8-bit values.
- */
-typedef struct { __uint8_t i[8]; } xfs_dir2_ino8_t;
-
-/*
- * Inode number stored as 4 8-bit values.
- * Works a lot of the time, when all the inode numbers in a directory
- * fit in 32 bits.
- */
-typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t;
+#define XFS_INO32_SIZE 4
+#define XFS_INO64_SIZE 8
+#define XFS_INO64_DIFF (XFS_INO64_SIZE - XFS_INO32_SIZE)
-typedef union {
- xfs_dir2_ino8_t i8;
- xfs_dir2_ino4_t i4;
-} xfs_dir2_inou_t;
#define XFS_DIR2_MAX_SHORT_INUM ((xfs_ino_t)0xffffffffULL)
/*
@@ -246,39 +228,38 @@ typedef union {
typedef struct xfs_dir2_sf_hdr {
__uint8_t count; /* count of entries */
__uint8_t i8count; /* count of 8-byte inode #s */
- xfs_dir2_inou_t parent; /* parent dir inode number */
-} __arch_pack xfs_dir2_sf_hdr_t;
+ __uint8_t parent[8]; /* parent dir inode number */
+} __packed xfs_dir2_sf_hdr_t;
typedef struct xfs_dir2_sf_entry {
__u8 namelen; /* actual name length */
- xfs_dir2_sf_off_t offset; /* saved offset */
+ __u8 offset[2]; /* saved offset */
__u8 name[]; /* name, variable size */
/*
* A single byte containing the file type field follows the inode
* number for version 3 directory entries.
*
- * A xfs_dir2_ino8_t or xfs_dir2_ino4_t follows here, at a
- * variable offset after the name.
+ * A 64-bit or 32-bit inode number follows here, at a variable offset
+ * after the name.
*/
-} __arch_pack xfs_dir2_sf_entry_t;
+} xfs_dir2_sf_entry_t;
static inline int xfs_dir2_sf_hdr_size(int i8count)
{
return sizeof(struct xfs_dir2_sf_hdr) -
- (i8count == 0) *
- (sizeof(xfs_dir2_ino8_t) - sizeof(xfs_dir2_ino4_t));
+ (i8count == 0) * XFS_INO64_DIFF;
}
static inline xfs_dir2_data_aoff_t
xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep)
{
- return get_unaligned_be16(&sfep->offset.i);
+ return get_unaligned_be16(sfep->offset);
}
static inline void
xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off)
{
- put_unaligned_be16(off, &sfep->offset.i);
+ put_unaligned_be16(off, sfep->offset);
}
static inline struct xfs_dir2_sf_entry *
diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index 974d62e677f4..c6809ff41197 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -126,13 +126,12 @@ xfs_dir2_block_sfsize(
/*
* Calculate the new size, see if we should give up yet.
*/
- size = xfs_dir2_sf_hdr_size(i8count) + /* header */
- count + /* namelen */
- count * (uint)sizeof(xfs_dir2_sf_off_t) + /* offset */
- namelen + /* name */
- (i8count ? /* inumber */
- (uint)sizeof(xfs_dir2_ino8_t) * count :
- (uint)sizeof(xfs_dir2_ino4_t) * count);
+ size = xfs_dir2_sf_hdr_size(i8count) + /* header */
+ count * 3 * sizeof(u8) + /* namelen + offset */
+ namelen + /* name */
+ (i8count ? /* inumber */
+ count * XFS_INO64_SIZE :
+ count * XFS_INO32_SIZE);
if (size > XFS_IFORK_DSIZE(dp))
return size; /* size value is a failure */
}
@@ -257,15 +256,12 @@ xfs_dir2_block_to_sf(
*
* Convert the inode to local format and copy the data in.
*/
- dp->i_df.if_flags &= ~XFS_IFEXTENTS;
- dp->i_df.if_flags |= XFS_IFINLINE;
- dp->i_d.di_format = XFS_DINODE_FMT_LOCAL;
ASSERT(dp->i_df.if_bytes == 0);
- xfs_idata_realloc(dp, size, XFS_DATA_FORK);
+ xfs_init_local_fork(dp, XFS_DATA_FORK, dst, size);
+ dp->i_d.di_format = XFS_DINODE_FMT_LOCAL;
+ dp->i_d.di_size = size;
logflags |= XFS_ILOG_DDATA;
- memcpy(dp->i_df.if_u1.if_data, dst, size);
- dp->i_d.di_size = size;
xfs_dir2_sf_check(args);
out:
xfs_trans_log_inode(args->trans, dp, logflags);
@@ -322,10 +318,7 @@ xfs_dir2_sf_addname(
/*
* Yes, adjust the inode size. old count + (parent + new)
*/
- incr_isize +=
- (sfp->count + 2) *
- ((uint)sizeof(xfs_dir2_ino8_t) -
- (uint)sizeof(xfs_dir2_ino4_t));
+ incr_isize += (sfp->count + 2) * XFS_INO64_DIFF;
objchange = 1;
}
@@ -900,11 +893,7 @@ xfs_dir2_sf_replace(
int error; /* error return value */
int newsize; /* new inode size */
- newsize =
- dp->i_df.if_bytes +
- (sfp->count + 1) *
- ((uint)sizeof(xfs_dir2_ino8_t) -
- (uint)sizeof(xfs_dir2_ino4_t));
+ newsize = dp->i_df.if_bytes + (sfp->count + 1) * XFS_INO64_DIFF;
/*
* Won't fit as shortform, convert to block then do replace.
*/
@@ -1025,10 +1014,7 @@ xfs_dir2_sf_toino4(
/*
* Compute the new inode size.
*/
- newsize =
- oldsize -
- (oldsfp->count + 1) *
- ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t));
+ newsize = oldsize - (oldsfp->count + 1) * XFS_INO64_DIFF;
xfs_idata_realloc(dp, -oldsize, XFS_DATA_FORK);
xfs_idata_realloc(dp, newsize, XFS_DATA_FORK);
/*
@@ -1051,7 +1037,7 @@ xfs_dir2_sf_toino4(
i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep),
oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep)) {
sfep->namelen = oldsfep->namelen;
- sfep->offset = oldsfep->offset;
+ memcpy(sfep->offset, oldsfep->offset, sizeof(sfep->offset));
memcpy(sfep->name, oldsfep->name, sfep->namelen);
dp->d_ops->sf_put_ino(sfp, sfep,
dp->d_ops->sf_get_ino(oldsfp, oldsfep));
@@ -1101,10 +1087,7 @@ xfs_dir2_sf_toino8(
/*
* Compute the new inode size (nb: entry count + 1 for parent)
*/
- newsize =
- oldsize +
- (oldsfp->count + 1) *
- ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t));
+ newsize = oldsize + (oldsfp->count + 1) * XFS_INO64_DIFF;
xfs_idata_realloc(dp, -oldsize, XFS_DATA_FORK);
xfs_idata_realloc(dp, newsize, XFS_DATA_FORK);
/*
@@ -1127,7 +1110,7 @@ xfs_dir2_sf_toino8(
i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep),
oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep)) {
sfep->namelen = oldsfep->namelen;
- sfep->offset = oldsfep->offset;
+ memcpy(sfep->offset, oldsfep->offset, sizeof(sfep->offset));
memcpy(sfep->name, oldsfep->name, sfep->namelen);
dp->d_ops->sf_put_ino(sfp, sfep,
dp->d_ops->sf_get_ino(oldsfp, oldsfep));
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index dc97eb21af07..adb204d40f22 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1435,41 +1435,57 @@ typedef __be64 xfs_bmbt_ptr_t, xfs_bmdr_ptr_t;
* with the crc feature bit, and all accesses to them must be conditional on
* that flag.
*/
+/* short form block header */
+struct xfs_btree_block_shdr {
+ __be32 bb_leftsib;
+ __be32 bb_rightsib;
+
+ __be64 bb_blkno;
+ __be64 bb_lsn;
+ uuid_t bb_uuid;
+ __be32 bb_owner;
+ __le32 bb_crc;
+};
+
+/* long form block header */
+struct xfs_btree_block_lhdr {
+ __be64 bb_leftsib;
+ __be64 bb_rightsib;
+
+ __be64 bb_blkno;
+ __be64 bb_lsn;
+ uuid_t bb_uuid;
+ __be64 bb_owner;
+ __le32 bb_crc;
+ __be32 bb_pad; /* padding for alignment */
+};
+
struct xfs_btree_block {
__be32 bb_magic; /* magic number for block type */
__be16 bb_level; /* 0 is a leaf */
__be16 bb_numrecs; /* current # of data records */
union {
- struct {
- __be32 bb_leftsib;
- __be32 bb_rightsib;
-
- __be64 bb_blkno;
- __be64 bb_lsn;
- uuid_t bb_uuid;
- __be32 bb_owner;
- __le32 bb_crc;
- } s; /* short form pointers */
- struct {
- __be64 bb_leftsib;
- __be64 bb_rightsib;
-
- __be64 bb_blkno;
- __be64 bb_lsn;
- uuid_t bb_uuid;
- __be64 bb_owner;
- __le32 bb_crc;
- __be32 bb_pad; /* padding for alignment */
- } l; /* long form pointers */
+ struct xfs_btree_block_shdr s;
+ struct xfs_btree_block_lhdr l;
} bb_u; /* rest */
};
-#define XFS_BTREE_SBLOCK_LEN 16 /* size of a short form block */
-#define XFS_BTREE_LBLOCK_LEN 24 /* size of a long form block */
+/* size of a short form block */
+#define XFS_BTREE_SBLOCK_LEN \
+ (offsetof(struct xfs_btree_block, bb_u) + \
+ offsetof(struct xfs_btree_block_shdr, bb_blkno))
+/* size of a long form block */
+#define XFS_BTREE_LBLOCK_LEN \
+ (offsetof(struct xfs_btree_block, bb_u) + \
+ offsetof(struct xfs_btree_block_lhdr, bb_blkno))
/* sizes of CRC enabled btree blocks */
-#define XFS_BTREE_SBLOCK_CRC_LEN (XFS_BTREE_SBLOCK_LEN + 40)
-#define XFS_BTREE_LBLOCK_CRC_LEN (XFS_BTREE_LBLOCK_LEN + 48)
+#define XFS_BTREE_SBLOCK_CRC_LEN \
+ (offsetof(struct xfs_btree_block, bb_u) + \
+ sizeof(struct xfs_btree_block_shdr))
+#define XFS_BTREE_LBLOCK_CRC_LEN \
+ (offsetof(struct xfs_btree_block, bb_u) + \
+ sizeof(struct xfs_btree_block_lhdr))
#define XFS_BTREE_SBLOCK_CRC_OFF \
offsetof(struct xfs_btree_block, bb_u.s.bb_crc)
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index fffe3d01bd9f..f5ec9c5ccae6 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -521,12 +521,8 @@ typedef struct xfs_swapext
#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
-/* XFS_IOC_FREEZE -- FIFREEZE 119 */
-/* XFS_IOC_THAW -- FITHAW 120 */
-#ifndef FIFREEZE
-#define XFS_IOC_FREEZE _IOWR('X', 119, int)
-#define XFS_IOC_THAW _IOWR('X', 120, int)
-#endif
+#define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
+#define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 22297f9b0fd5..4b1e408169a8 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -1828,9 +1828,8 @@ xfs_difree_inode_chunk(
if (!xfs_inobt_issparse(rec->ir_holemask)) {
/* not sparse, calculate extent info directly */
- xfs_bmap_add_free(XFS_AGB_TO_FSB(mp, agno,
- XFS_AGINO_TO_AGBNO(mp, rec->ir_startino)),
- mp->m_ialloc_blks, flist, mp);
+ xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, sagbno),
+ mp->m_ialloc_blks);
return;
}
@@ -1873,8 +1872,8 @@ xfs_difree_inode_chunk(
ASSERT(agbno % mp->m_sb.sb_spino_align == 0);
ASSERT(contigblk % mp->m_sb.sb_spino_align == 0);
- xfs_bmap_add_free(XFS_AGB_TO_FSB(mp, agno, agbno), contigblk,
- flist, mp);
+ xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, agbno),
+ contigblk);
/* reset range to current bit and carry on... */
startidx = endidx = nextbit;
@@ -2395,20 +2394,11 @@ void
xfs_ialloc_compute_maxlevels(
xfs_mount_t *mp) /* file system mount structure */
{
- int level;
- uint maxblocks;
- uint maxleafents;
- int minleafrecs;
- int minnoderecs;
-
- maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >>
- XFS_INODES_PER_CHUNK_LOG;
- minleafrecs = mp->m_inobt_mnr[0];
- minnoderecs = mp->m_inobt_mnr[1];
- maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs;
- for (level = 1; maxblocks > 1; level++)
- maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs;
- mp->m_in_maxlevels = level;
+ uint inodes;
+
+ inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG;
+ mp->m_in_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_inobt_mnr,
+ inodes);
}
/*
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 11faf7df14c8..bbcc8c7a44b3 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -231,6 +231,48 @@ xfs_iformat_fork(
return error;
}
+void
+xfs_init_local_fork(
+ struct xfs_inode *ip,
+ int whichfork,
+ const void *data,
+ int size)
+{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ int mem_size = size, real_size = 0;
+ bool zero_terminate;
+
+ /*
+ * If we are using the local fork to store a symlink body we need to
+ * zero-terminate it so that we can pass it back to the VFS directly.
+ * Overallocate the in-memory fork by one for that and add a zero
+ * to terminate it below.
+ */
+ zero_terminate = S_ISLNK(VFS_I(ip)->i_mode);
+ if (zero_terminate)
+ mem_size++;
+
+ if (size == 0)
+ ifp->if_u1.if_data = NULL;
+ else if (mem_size <= sizeof(ifp->if_u2.if_inline_data))
+ ifp->if_u1.if_data = ifp->if_u2.if_inline_data;
+ else {
+ real_size = roundup(mem_size, 4);
+ ifp->if_u1.if_data = kmem_alloc(real_size, KM_SLEEP | KM_NOFS);
+ }
+
+ if (size) {
+ memcpy(ifp->if_u1.if_data, data, size);
+ if (zero_terminate)
+ ifp->if_u1.if_data[size] = '\0';
+ }
+
+ ifp->if_bytes = size;
+ ifp->if_real_bytes = real_size;
+ ifp->if_flags &= ~(XFS_IFEXTENTS | XFS_IFBROOT);
+ ifp->if_flags |= XFS_IFINLINE;
+}
+
/*
* The file is in-lined in the on-disk inode.
* If it fits into if_inline_data, then copy
@@ -248,8 +290,6 @@ xfs_iformat_local(
int whichfork,
int size)
{
- xfs_ifork_t *ifp;
- int real_size;
/*
* If the size is unreasonable, then something
@@ -265,22 +305,8 @@ xfs_iformat_local(
ip->i_mount, dip);
return -EFSCORRUPTED;
}
- ifp = XFS_IFORK_PTR(ip, whichfork);
- real_size = 0;
- if (size == 0)
- ifp->if_u1.if_data = NULL;
- else if (size <= sizeof(ifp->if_u2.if_inline_data))
- ifp->if_u1.if_data = ifp->if_u2.if_inline_data;
- else {
- real_size = roundup(size, 4);
- ifp->if_u1.if_data = kmem_alloc(real_size, KM_SLEEP | KM_NOFS);
- }
- ifp->if_bytes = size;
- ifp->if_real_bytes = real_size;
- if (size)
- memcpy(ifp->if_u1.if_data, XFS_DFORK_PTR(dip, whichfork), size);
- ifp->if_flags &= ~XFS_IFEXTENTS;
- ifp->if_flags |= XFS_IFINLINE;
+
+ xfs_init_local_fork(ip, whichfork, XFS_DFORK_PTR(dip, whichfork), size);
return 0;
}
@@ -516,7 +542,6 @@ xfs_iroot_realloc(
new_max = cur_max + rec_diff;
new_size = XFS_BMAP_BROOT_SPACE_CALC(mp, new_max);
ifp->if_broot = kmem_realloc(ifp->if_broot, new_size,
- XFS_BMAP_BROOT_SPACE_CALC(mp, cur_max),
KM_SLEEP | KM_NOFS);
op = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1,
ifp->if_broot_bytes);
@@ -660,7 +685,6 @@ xfs_idata_realloc(
ifp->if_u1.if_data =
kmem_realloc(ifp->if_u1.if_data,
real_size,
- ifp->if_real_bytes,
KM_SLEEP | KM_NOFS);
}
} else {
@@ -1376,8 +1400,7 @@ xfs_iext_realloc_direct(
if (rnew_size != ifp->if_real_bytes) {
ifp->if_u1.if_extents =
kmem_realloc(ifp->if_u1.if_extents,
- rnew_size,
- ifp->if_real_bytes, KM_NOFS);
+ rnew_size, KM_NOFS);
}
if (rnew_size > ifp->if_real_bytes) {
memset(&ifp->if_u1.if_extents[ifp->if_bytes /
@@ -1461,9 +1484,8 @@ xfs_iext_realloc_indirect(
if (new_size == 0) {
xfs_iext_destroy(ifp);
} else {
- ifp->if_u1.if_ext_irec = (xfs_ext_irec_t *)
- kmem_realloc(ifp->if_u1.if_ext_irec,
- new_size, size, KM_NOFS);
+ ifp->if_u1.if_ext_irec =
+ kmem_realloc(ifp->if_u1.if_ext_irec, new_size, KM_NOFS);
}
}
@@ -1497,6 +1519,24 @@ xfs_iext_indirect_to_direct(
}
/*
+ * Remove all records from the indirection array.
+ */
+STATIC void
+xfs_iext_irec_remove_all(
+ struct xfs_ifork *ifp)
+{
+ int nlists;
+ int i;
+
+ ASSERT(ifp->if_flags & XFS_IFEXTIREC);
+ nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ;
+ for (i = 0; i < nlists; i++)
+ kmem_free(ifp->if_u1.if_ext_irec[i].er_extbuf);
+ kmem_free(ifp->if_u1.if_ext_irec);
+ ifp->if_flags &= ~XFS_IFEXTIREC;
+}
+
+/*
* Free incore file extents.
*/
void
@@ -1504,14 +1544,7 @@ xfs_iext_destroy(
xfs_ifork_t *ifp) /* inode fork pointer */
{
if (ifp->if_flags & XFS_IFEXTIREC) {
- int erp_idx;
- int nlists;
-
- nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ;
- for (erp_idx = nlists - 1; erp_idx >= 0 ; erp_idx--) {
- xfs_iext_irec_remove(ifp, erp_idx);
- }
- ifp->if_flags &= ~XFS_IFEXTIREC;
+ xfs_iext_irec_remove_all(ifp);
} else if (ifp->if_real_bytes) {
kmem_free(ifp->if_u1.if_extents);
} else if (ifp->if_bytes) {
diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h
index 7d3b1ed6dcbe..f95e072ae646 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.h
+++ b/fs/xfs/libxfs/xfs_inode_fork.h
@@ -134,6 +134,7 @@ void xfs_iroot_realloc(struct xfs_inode *, int, int);
int xfs_iread_extents(struct xfs_trans *, struct xfs_inode *, int);
int xfs_iextents_copy(struct xfs_inode *, struct xfs_bmbt_rec *,
int);
+void xfs_init_local_fork(struct xfs_inode *, int, const void *, int);
struct xfs_bmbt_rec_host *
xfs_iext_get_ext(struct xfs_ifork *, xfs_extnum_t);
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h
index d54a8018b079..e8f49c029ff0 100644
--- a/fs/xfs/libxfs/xfs_log_format.h
+++ b/fs/xfs/libxfs/xfs_log_format.h
@@ -212,6 +212,11 @@ typedef struct xfs_trans_header {
#define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */
/*
+ * The only type valid for th_type in CIL-enabled file system logs:
+ */
+#define XFS_TRANS_CHECKPOINT 40
+
+/*
* Log item types.
*/
#define XFS_LI_EFI 0x1236
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index 951c044e24e4..e2e1106c9fad 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -70,7 +70,7 @@ const struct xfs_buf_ops xfs_rtbuf_ops = {
* Get a buffer for the bitmap or summary file block specified.
* The buffer is returned read and locked.
*/
-int
+static int
xfs_rtbuf_get(
xfs_mount_t *mp, /* file system mount structure */
xfs_trans_t *tp, /* transaction pointer */
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index 8a53eaa349f4..12ca86778e02 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -838,12 +838,10 @@ xfs_sync_sb(
struct xfs_trans *tp;
int error;
- tp = _xfs_trans_alloc(mp, XFS_TRANS_SB_CHANGE, KM_SLEEP);
- error = xfs_trans_reserve(tp, &M_RES(mp)->tr_sb, 0, 0);
- if (error) {
- xfs_trans_cancel(tp);
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_sb, 0, 0,
+ XFS_TRANS_NO_WRITECOUNT, &tp);
+ if (error)
return error;
- }
xfs_log_sb(tp);
if (wait)
diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h
index 81ac870834da..16002b5ec4eb 100644
--- a/fs/xfs/libxfs/xfs_shared.h
+++ b/fs/xfs/libxfs/xfs_shared.h
@@ -56,103 +56,6 @@ extern const struct xfs_buf_ops xfs_symlink_buf_ops;
extern const struct xfs_buf_ops xfs_rtbuf_ops;
/*
- * Transaction types. Used to distinguish types of buffers. These never reach
- * the log.
- */
-#define XFS_TRANS_SETATTR_NOT_SIZE 1
-#define XFS_TRANS_SETATTR_SIZE 2
-#define XFS_TRANS_INACTIVE 3
-#define XFS_TRANS_CREATE 4
-#define XFS_TRANS_CREATE_TRUNC 5
-#define XFS_TRANS_TRUNCATE_FILE 6
-#define XFS_TRANS_REMOVE 7
-#define XFS_TRANS_LINK 8
-#define XFS_TRANS_RENAME 9
-#define XFS_TRANS_MKDIR 10
-#define XFS_TRANS_RMDIR 11
-#define XFS_TRANS_SYMLINK 12
-#define XFS_TRANS_SET_DMATTRS 13
-#define XFS_TRANS_GROWFS 14
-#define XFS_TRANS_STRAT_WRITE 15
-#define XFS_TRANS_DIOSTRAT 16
-/* 17 was XFS_TRANS_WRITE_SYNC */
-#define XFS_TRANS_WRITEID 18
-#define XFS_TRANS_ADDAFORK 19
-#define XFS_TRANS_ATTRINVAL 20
-#define XFS_TRANS_ATRUNCATE 21
-#define XFS_TRANS_ATTR_SET 22
-#define XFS_TRANS_ATTR_RM 23
-#define XFS_TRANS_ATTR_FLAG 24
-#define XFS_TRANS_CLEAR_AGI_BUCKET 25
-#define XFS_TRANS_SB_CHANGE 26
-/*
- * Dummy entries since we use the transaction type to index into the
- * trans_type[] in xlog_recover_print_trans_head()
- */
-#define XFS_TRANS_DUMMY1 27
-#define XFS_TRANS_DUMMY2 28
-#define XFS_TRANS_QM_QUOTAOFF 29
-#define XFS_TRANS_QM_DQALLOC 30
-#define XFS_TRANS_QM_SETQLIM 31
-#define XFS_TRANS_QM_DQCLUSTER 32
-#define XFS_TRANS_QM_QINOCREATE 33
-#define XFS_TRANS_QM_QUOTAOFF_END 34
-#define XFS_TRANS_FSYNC_TS 35
-#define XFS_TRANS_GROWFSRT_ALLOC 36
-#define XFS_TRANS_GROWFSRT_ZERO 37
-#define XFS_TRANS_GROWFSRT_FREE 38
-#define XFS_TRANS_SWAPEXT 39
-#define XFS_TRANS_CHECKPOINT 40
-#define XFS_TRANS_ICREATE 41
-#define XFS_TRANS_CREATE_TMPFILE 42
-#define XFS_TRANS_TYPE_MAX 43
-/* new transaction types need to be reflected in xfs_logprint(8) */
-
-#define XFS_TRANS_TYPES \
- { XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \
- { XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \
- { XFS_TRANS_INACTIVE, "INACTIVE" }, \
- { XFS_TRANS_CREATE, "CREATE" }, \
- { XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \
- { XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \
- { XFS_TRANS_REMOVE, "REMOVE" }, \
- { XFS_TRANS_LINK, "LINK" }, \
- { XFS_TRANS_RENAME, "RENAME" }, \
- { XFS_TRANS_MKDIR, "MKDIR" }, \
- { XFS_TRANS_RMDIR, "RMDIR" }, \
- { XFS_TRANS_SYMLINK, "SYMLINK" }, \
- { XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \
- { XFS_TRANS_GROWFS, "GROWFS" }, \
- { XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \
- { XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \
- { XFS_TRANS_WRITEID, "WRITEID" }, \
- { XFS_TRANS_ADDAFORK, "ADDAFORK" }, \
- { XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \
- { XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \
- { XFS_TRANS_ATTR_SET, "ATTR_SET" }, \
- { XFS_TRANS_ATTR_RM, "ATTR_RM" }, \
- { XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \
- { XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \
- { XFS_TRANS_SB_CHANGE, "SBCHANGE" }, \
- { XFS_TRANS_DUMMY1, "DUMMY1" }, \
- { XFS_TRANS_DUMMY2, "DUMMY2" }, \
- { XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \
- { XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \
- { XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \
- { XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \
- { XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \
- { XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \
- { XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \
- { XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \
- { XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \
- { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \
- { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \
- { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \
- { XFS_TRANS_ICREATE, "ICREATE" }, \
- { XFS_TRANS_CREATE_TMPFILE, "CREATE_TMPFILE" }, \
- { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }
-
-/*
* This structure is used to track log items associated with
* a transaction. It points to the log item and keeps some
* flags to track the state of the log item. It also tracks
@@ -181,8 +84,9 @@ int xfs_log_calc_minimum_size(struct xfs_mount *);
#define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
#define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
#define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
-#define XFS_TRANS_FREEZE_PROT 0x40 /* Transaction has elevated writer
- count in superblock */
+#define XFS_TRANS_NO_WRITECOUNT 0x40 /* do not elevate SB writecount */
+#define XFS_TRANS_NOFS 0x80 /* pass KM_NOFS to kmem_alloc */
+
/*
* Field values for xfs_trans_mod_sb.
*/
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-29 11:28:48 +0000